diff --git a/pyproject.toml b/pyproject.toml
index 9901466..2b39c08 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "breakfast"
-version = "0.4.1"
+version = "0.4.2"
 description = "breakfast: fast putative outbreak cluster and infection chain detection using SNPs"
 authors = ["Matthew Huska <HuskaM@rki.de>", "Denis Beslic <BeslicD@rki.de>"]
 license = "MIT"